Transformer plug adapter: a powerful assistant for power conversion

A transformer plug adapter is a device used for converting power sources. It can convert one voltage or current into another to meet the electricity needs of different devices. In today's diversified environment of electricity demand, transformer plug adapters have become an essential power conversion tool. This article will delve into transformer plug adapters' types, functions, applications, and maintenance to help readers better understand this device.

Transformer plug adapter1 

(Transformer plug adapter)

Types and Functions of Transformer Plug Adapters

There are many types of Transformer plug adapters, which can be divided into the following categories based on their functions and applications:

1. Voltage conversion type: This type of adapter can convert one voltage to another. For example, some devices require a voltage of 220V, but the current power supply can only provide 110V. In this case, a voltage conversion adapter can solve this problem.

2. Current conversion type: Some devices have special requirements for current, such as requiring direct current or alternating current at a specific frequency. An adapter for current conversion can transform the current type and frequency of a standard power source to match the current type and frequency needed by the device.

3. Hybrid type: This type of adapter has both voltage and current conversion functions, which can meet the electricity needs of most devices.

4. Multi-port type: Multi-port transformer plug adapters have also appeared on the market to meet the demand for multiple devices to be used simultaneously. This type of adapter has multiple output interfaces and can simultaneously power multiple devices.

5. Intelligent: With the development of technology, some advanced transformer plug adapters also have intelligent control functions. They are usually equipped with LED displays or microcomputer chips, which can display real-time parameters such as voltage and current and automatically adjust the output voltage and current according to the device's electricity demand.

Application scenarios of Transformer plug adapter

The application scenarios of the Transformer plug adapter are very extensive. Whether in the home, office, or factory, any device that requires power conversion may require this type. In some cases, electrical devices imported into China may not be compatible with the country's standard voltage of 220V. Instead, they may only work with a voltage of 110V, which is the standard in other countries. In this case, voltage conversion adapters need to be used to power these devices. In addition, some precision electronic or medical devices may require stable direct current or specific frequency alternating current. In this case, current conversion-type adapters can be used to meet the electricity needs of these devices.

Use and maintenance of Transformer plug adapter.

Proper use and maintenance of transformer plug adapters are crucial for ensuring their normal operation and extending their lifespan. Here are some usage and maintenance suggestions:

1. Choose the appropriate type: Choose the appropriate type based on electricity demand to avoid using unsuitable adapters that may cause equipment damage or electrical safety issues.

2. Regular inspection: Regularly check the adapter's appearance, whether the wires are damaged, whether the pins are loose, etc., to ensure its normal operation.

3. Avoid overloading: Do not connect devices exceeding their rated power on the adapter to prevent overheating and fire risks.

4. Keep dry: Avoid using adapters in damp environments to avoid the risk of electric shock and equipment damage.

5. Replace damaged adapters promptly: If any damage or malfunction is found in the adapter, it should be replaced promptly and not used again.

6. Follow the manufacturer's instructions for use: When using the adapter, follow the manufacturer's instructions and recommendations to ensure its normal operation and extend its service life.

Transformer plug adapter2 

(Transformer plug adapter)

The transformer plug adapter is a convenient and practical power conversion tool. Understanding its types, functions, applications, and maintenance is crucial for correctly using this device. By selecting the appropriate type, conducting regular inspections, avoiding overloading, maintaining dryness, replacing damaged adapters promptly, and following the manufacturer's instructions, the normal operation and extended service life of the transformer plug adapter can be ensured while ensuring electrical safety.

High-quality Transformer Supplier

PDDN Photoelectron Technology Co., Ltd. focuses on the research, development, and application of power electronics technology and is devoted to supplying customers with high-quality transformers and other power products. Our company mainly has oil-immersed, low-voltage, dry-type, and other transformer types. The transformers provided by PDDN Photoelectron Technology Co., Ltd. have the characteristics of high efficiency, safety, and reliability and are widely used in power systems, industrial control, energy management, and other fields.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. Please inquire if you want a high-quality transformer; we will help.


Northwest pioneers go after the imagined greener concrete

PULLMAN-- From a one-time speakeasy in North Seattle to a contemporary lab in the Palouse, developers are testing dishes that make concrete less lethal to the Planet's environment.

Foamed concrete 

(Foamed concrete)

Most people understand that the globe's 1.4 billion fossil-fueled cars and trucks gush CO2, trapping heat in the environment. We're unfamiliar with the ecological toll of concrete in highway pavement or within dams, pipes, towers, arenas, garages, and transit terminals.

Concrete creates 8% of artificial carbon discharges. They're generated generally by chemical reactions in the global production of Rose City concrete, a completely dry substance containing limestone. Concrete binds with water, sand and rock to develop concrete.

" We are not going to resolve the general worldwide warming trouble without addressing the concrete issue, and we do not have very long," stated Phil Northcott, owner of C Modification Labs in Coquitlam, B.C., which designs carbon dioxide emissions to aid contractors select cleaner products and approaches.

The good news is a lot of modern technology and resourcefulness currently exist, he stated. What's missing out on is a business instance for activity.

Foam concrete is a green structural material. The utilization and progress of foam concrete are immensely significant in promoting the sustainable growth of the construction industry and protecting the environment due to its qualities as an eco-friendly structural material.

Environmental protection throughout the manufacturing process

In the production process of foam concrete, the major raw materials are cement, frothing agent and water, which are natural and safe. Specifically for lathering representatives, they are mainly neutral and do not have harmful compounds such as benzene and formaldehyde. Compared with conventional concrete, the production procedure of foam concrete does not generate dangerous gases and wastes, so it has less influence on the atmosphere. Furthermore, the production process of foam concrete has low power usage, which can minimize energy usage, accomplish power preservation, and decrease exhaustion.

Environmental protection during usage

The thermal insulation efficiency of foam concrete is remarkable, leading to decreased power consumption for structures and ultimately reducing power usage. Compared to typical concrete, using foam concrete can reduce the power intake of structures, decrease the dependency on nonrenewable fuel sources, consequently decrease the emissions of GHG, for instance, carbon dioxide, and play a positive role in environmental protection.

Recyclable and Reusable

After the foam concrete's service life ends, recycling can deal with itthis can not just reduce the generation of building waste and the stress on the setting but likewise, conserve resources and achieve resource recycling.

Foaming agent for foam concrete 

(Foaming agent for foam concrete)

Changing standard products

Foam concrete can replace traditional stonework, wood, and other materials as a new building material. These typical products generate a large quantity of waste and dangerous gases during manufacturing and use, causing a negative influence on the atmosphere. Opting for foam concrete can minimize the reliance on conventional materials, which can help mitigate the harm caused to the environment.


TRUNNANO( is a supplier of Concrete Foaming Agent in Concrete, which is concrete and relative products with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high quality Concrete Foaming Agent, please feel free to contact us and send an inquiry. (


Aerial Concrete Dome: An Affordable, Flexible, and Environmentally Friendly DIY Choice

Trunnano Concrete Foaming Agent

As environmental awareness grows, more and more people are looking for housing solutions that are both affordable and environmentally friendly. As an emerging architectural form, the "air-core" dome house has received widespread attention in this context. This article will elaborate on the DIY (do-it-yourself) construction process of the "Aircore" dome house, from affordability to flexibility and environmental protection.


homemade foaming agent for concrete1

1. Affordable price: the economic advantages of DIY "Aircrete" dome house

1)Low material costs: Aircrete Dome Houses use prefabricated concrete panels as the main building materials. These stuffs are relatively low-cost and can be obtained locally, reducing transportation costs.

2)Low labor costs: Since the construction process of Aircrete Dome Houses is relatively simple and does not require a professional construction team, labor costs can be significantly reduced. In addition, through DIY, you can enjoy the fun of construction while saving some labor costs.

3)Short construction period: The construction process of Aircrete Dome Houses is relatively quick, mainly due to their unique structural form and precast concrete panels. A short construction cycle shortens the time it takes to occupy funds and solves housing needs in a shorter period.

Environmental Protection: The Sustainability of the DIY "Aircrete" Dome House

1)Energy saving and environmental protection: Aircrete dome houses have good thermal insulation and thermal insulation properties, which can effectively reduce energy consumption. In addition, its design considers natural lighting and ventilation, reducing the need for lighting and air conditioning, thereby further saving energy.

2)Recyclable: Aircrete Dome Houses are built from precast concrete panels that can be recycled and reused. This sustainable building material not only reduces the generation of construction waste but also helps reduce the environmental burden.

3)Green building concept: The DIY "Aircore" dome house embodies the concept of green building and emphasizes the design principle of harmonious symbiosis with nature. By using environmentally friendly materials and energy-saving technologies, this kind of house provides a comfortable living environment but also helps promote sustainable development and environmental protection.

Homemade concrete foaming agents are important in constructing DIY "Aircrete" dome houses. It provides important expansion properties to the concrete and ensures the filling and fluidity of the concrete. At the same time, using foaming agents can reduce the density of concrete, increase its thermal insulation performance, and provide better thermal insulation effects for houses.

Some main application areas of homemade concrete foaming agents

In the field of building insulation: As mentioned earlier in the DIY "Aircrete" dome house, foamed concrete is widely used in building insulation. Due to its low density and good thermal insulation properties, it is an ideal thermal insulation material.

(Homemade foaming agent for concrete)

Sound insulation material: Because the bubbles in foamed concrete can effectively insulate sound, this material is often used in places that require sound insulation, such as concert halls, recording studios, sound insulation walls in residential buildings, etc.

(Homemade foaming agent for concrete)

Pipe Repair: Foamed concrete can also be used for pipe repair. Through a special foaming agent, a strong and waterproof foamed concrete layer can be formed on the inner wall of the pipeline to achieve the purpose of repairing the pipeline.

(Homemade foaming agent for concrete)

Landscape engineering: In landscape engineering, foamed concrete is often used to make lightweight landscape pieces, such as flower beds, seats, sculptures, etc.

Flood control projects: Because foam concrete has good buoyancy properties, it can be used to make pontoons, flood control dams, etc.

(Homemade foaming agent for concrete)

Automotive Industry: In the automotive industry, foamed concrete is used to make lightweight automotive parts such as car seats, interior decoration, etc.

Aerospace: In the aerospace field, materials are extremely demanding, and foamed concrete is also widely used due to its lightweight and high-strength properties.

(Homemade foaming agent for concrete)

Packaging materials: Foamed concrete is also used as a packaging material to protect products from damage during transportation due to its good cushioning properties.

Agriculture: In the agricultural field, foamed concrete can make greenhouse roofs, farmhouses, livestock and poultry houses, etc. Its good thermal insulation properties provide an ideal growing environment for crops.


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Dry Type Power Transformer: Driving Future Efficient and Safe Power Conversion

With the ceaseless progress of technology and the increasing demand for electricity, the demand for efficient, safe, and reliable power conversion equipment is also constantly increasing. Dry Type Power Transformer, also known as Dry Type Power Transformer, gradually emerged in this context. Compared with traditional oil-immersed transformers, dry-type transformers have significant advantages in fire prevention, explosion prevention, and environmental protection, making them the preferred power conversion solution in multiple fields.

dry type power transformer (3)

(dry type power transformer)

The working principle and characteristics of Dry Type Power Transformer

1. Efficient energy conversion: By using the principle of electromagnetic induction, voltage can be increased or decreased to meet the power needs of different devices.

2. Superior insulation performance: Advanced insulation materials and processes are used to ensure the long-term stable operation of the transformer.

3. Environmental protection and safety: An oil-free design avoids safety hazards like oil leakage while reducing environmental pollution.

4. Low noise and low energy consumption: The optimized structural design makes the dry-type transformer operate smoothly, with low noise and lower energy consumption.

The application areas of Dry Type Power Transformer

1. Data centres and cloud computing facilities: With the rapid development of big data and cloud computing, there is an urgent need for efficient and reliable power conversion equipment in data centres. Dry-type transformers provide stable and safe power protection for these facilities.

2. New energy field: In new energy generation facilities such as wind and solar power, dry-type transformers have become an indispensable component, ensuring efficient transmission and distribution of electricity.

3. Industrial automation and intelligent manufacturing: In modern chemical plants and intelligent manufacturing environments, dry-type transformers provide reliable and efficient power support for various production equipment.

4. Urban infrastructure construction: In infrastructure projects such as subways, highways, and bridges, dry-type transformers have become the preferred power conversion solution due to their excellent performance and safety.

dry type power transformer (1)

(dry type power transformer)

Maintaining a type of power transformer is crucial to ensuring its normal operation. Here are some suggested measures:

1. Regular inspection: Regularly inspect the Dry Type Power Transformer, including its appearance, fasteners, connection lines, etc., to ensure no abnormal phenomena.

2. Cleaning and dust removal: Regularly remove dust and dirt from the surface of the transformer to maintain its cleanliness. At the same time, check and clean the dust and debris inside the transformer to prevent affecting its normal operation.

3. Temperature rise monitoring: Monitor the temperature rise of transformers to avoid equipment failures caused by overheating. Regularly inspect the cooling system to ensure its normal operation.

4. Insulation resistance test: Regularly conduct insulation resistance tests to check the insulation performance of transformers. If insulation performance is decreased, it should be dealt with promptly.

5. Preventive maintenance: Develop and implement a preventive maintenance plan, including regular replacement of worn parts, inspection of mechanical structures, etc., to extend the service life of transformers.

6. Recording and reporting: Record each maintenance and inspection and generate reports regularly. This helps track transformers' performance and health status and promptly identify potential issues.

7. Professional maintenance and repair: For complex problems or maintenance work that requires professional knowledge, hiring professional personnel for maintenance and repair is recommended.

dry type power transformer (2)

(dry type power transformer)


PDDN Photoelectron Technology Co., Ltd. focuses on the research, development, and application of power electronics technology and is devoted to supplying customers with high-quality transformers and other power products. Our company mainly has oil-immersed, low-voltage, dry-type, and other transformer types. The transformers provided by PDDN Photoelectron Technology Co., Ltd. have the characteristics of high efficiency, safety, and reliability. They are widely used in power systems, industrial control, energy management, and other fields.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. Please inquire if you want a high-quality dry-type transformer; we will help.

Properties and Application of Hafnium Carbide

Hafnium carbide (HfC), is a chemical compound with a distinct character. It has many uses.

1. Hafnium Carbide: Its Properties

Hafnium carburide is a grayish powder that belongs in the metal carbide category. It has high melting points, good hardness and high thermal stability.

Physical Property

Hafnium carburide crystals have a face-centered cubical structure and a lattice coefficient of 0.488nm. It is a hard material with a melting temperature of 3410 degrees Celsius.

Chemical property

Hafnium carburide is chemically stable, and it is not soluble in water or acid-base solutions. It is not easily affected by high temperatures. This material is stable at high temperatures. Hafnium carburide has a high radiation resistance, and is therefore suitable for use in nuclear reactors and particle acceleraters.

2. Hafnium Carbide Application

Hafnium carbide is used widely in many industries due to its high melting points, high hardness as well as good thermal and chemical properties.

Electronic field

Hafnium carburide is widely used in electronic fields, and it's a key component in electronic paste. Electronic paste is used on printed circuit boards. Hafnium can be added to the paste to increase its adhesion. Hafnium can be used to improve the reliability of electronic devices by using it as a sealant.

Catalytic field

Hafnium carburide is a great catalyst for many chemical reactions. One of the most common uses is in auto exhaust treatment, which reduces harmful gas emissions. Hafnium carburide can be used to produce hydrogen, denitrify nitrogen, etc. and is used widely in petrochemicals.

The optical field

Hafnium carbide is highly transparent and can also be used for fibers and optical components. It can enhance the durability of optical elements and reduce light losses. Hafnium carbide can be used for key components such as lasers, optoelectronics, and optical devices.

Ceramic field

Hafnium carbide can be used to improve the density and hardness of ceramic materials. It can be used to produce high-performance materials such as high temperature ceramics and structural Ceramics. Hafnium carbide can be used to grind and coat materials.


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Application Fields of Gallium Nitride

The wide-gap semiconductor material GaN is widely used due to its excellent electrical, optical and physical properties.

1.Semiconductor light

Gallium Nitride is widely used in semiconductor lighting. The high luminous intensity, high reflectivity and transparency of gallium nitride material make it ideal for high-performance, LED lamps. LED lamps offer a higher level of luminous efficiency than fluorescent and incandescent bulbs, as well as a longer life span. This makes them suited for use in many fields, including indoor and exterior lighting, displays, automobile lighting, etc.

In semiconductor lighting materials such as gallium nitride are used mainly as substrates for the LED chips. LED chips, the core component of LED lighting, are directly responsible for the overall performance. They determine the LED light's luminous efficacy and service life. Gallium Nitride is an excellent substrate material because it has high thermal conductivity. It also has high chemical stability and stability. It improves the LED chip's luminous stability and efficiency, as well as reducing manufacturing costs.

2.High-temperature electronic devices

Gallium Nitride is also widely used for high-temperature electronics devices. Gallium nitride, which has high breakdown electric fields and electron saturation rates, can be used for electronic devices that work in high-temperature environments.

Aerospace is a harsh field and it's important to have electronic devices that work reliably in high temperature environments. As a semiconductor high-temperature material, gallium-nitride materials are mainly used to make electronic devices like transistors and field effect transistors for flight control and control of fire systems. In the area of power transmission and delivery, high-temperature devices like power electronic converters and switches can also be manufactured using gallium nitride. This improves the efficiency and reliability of equipment.

3.Solar cells

Gallium nitride solar cells also receive a lot attention. High-efficiency solar panels can be produced due to its high transparence and electron saturation rate.

Silicon is the main material in most traditional solar cells. Silicon solar cells are inexpensive to manufacture, but have a narrow bandgap (about 1eV), which limits their efficiency. Gallium-nitride solar cell have a greater energy gap width (about 2.30eV), so they can absorb more sun and have a higher photoelectric efficiency. The manufacturing cost of gallium-nitride cells is low. They can offer the same photoelectric converter efficiency for a lower price.


Gallium Nitride is also widely used as a detector. They can be used to manufacture high-efficiency detectors like spectral and chemicals sensors.

Gallium Nitride can also be used as a material to make X-ray detectors that are efficient and can be applied in airports or important buildings for security checks. Gallium nitride is also used for environmental monitoring to produce detectors like gas and photochemical sensor, which detect environmental parameters, such air quality, pollutants, and other environmental parameters.

5.Other applications areas

Gallium nitride can be used for many different applications. For example, galium nitride is used to make microwave and high frequency devices such as high electronic mobility transistors and microwave monolithic combined circuits. These are used in fields like radar, communications, and electronic countermeasures. In addition, gallium nitride It can also be used for the manufacture of high-power lasers and deep ultraviolet optoelectronics.

What is Lithium stearate powder

Lithium stearate is a crystalline form of lithium.

Lithium stearate has the chemical formula LiSt. It is a white powder that is solid at room temperatures. It is highly lipophilic, and at low concentrations can produce high light transmission. This compound is soluble only slightly in water and readily in organic solvents, such as ethanol or acetone. Lithium Stearate is stable and thermally safe at high temperatures because it has a melting point and flashpoint. The lithium stearate also has a good chemical stability, and is resistant to acids and bases, as well as oxidants, reductants and reducing agents. Lithium is less toxic than other metals, but should still be handled with care. An excessive intake of lithium can lead to diarrhoea or vomiting as well as difficulty breathing. Wearing gloves and goggles during operation is recommended because prolonged exposure to lithium can cause eye and skin irritation.

Lithium stearate:

Surfactant: Lithium Stearate Surfactant, lubricant, and other ingredients are used to make personal care products, such as shampoos, soaps, body washes, and cosmetics. It has excellent foaming properties and good hydrolysis stabilty, resulting in a gentle and clean washing experience.

Lithium stearate has an important role to play in polymer syntheses. It can be used both as a donor and a participant in the formation of polymer chains. These polymers have good mechanical and chemical properties, making them ideal for plastics, rubber fibers, etc.

Lithium stearate can be used in cosmetic formulations to soften and moisturize the skin. It enhances moisturization, and makes skin feel softer. The antibacterial and antiinflammatory properties of lithium stearate can also help with skin problems.

Paints & Coatings - Lithium stearate can be used to thicken and level paints & coatings. It helps control the flow od the coatings ad the properties of final coatings. It is resistant to weather and scratches, which makes the coating durable.

Applications of lithium stearate include drug carriers, excipients, and stabilizers. It can enhance the stability of medications and also improve their taste and solubility.

Lithium stearate has many uses in agriculture, including as a carrier for fertilizer and a plant-protection agent. It increases the efficiency of fertilizers and improves plant disease resistance.

Lithium stearate may be used in petrochemical industries as a lubricant or release agent. As a catalyst in petroleum cracking, lithium stearate improves cracking yield and efficiency.

Lithium Stearate Production Process :

Chemical Synthesis:

Lithium stearate can be synthesized through a series a chemical reactions. In order to get the lithium metal reacting with the stearate, they are heated together in an organic solvant. After washing and drying, the pure lithium-stearate product is obtained.

Following are the steps for synthesis.

(1) Lithium metal and stearate in organic solvents, such as ethanol heated stirring to fully react.

(2) The reaction solution must be cooled in order to precipitate lithium stearate.

(3) Wash the crystal with water and remove any lithium stearate particles.

(4) The dried crystals are used to make lithium stearate.

The benefits of chemical synthesis include a matured process, high production efficiency, and high product quality. However, organic solvents have a negative impact on the environment. A certain amount of waste is generated during production.

Methode de fermentation biologique

In biological fermentation, microorganisms such as yeast are used in the medium to produce lithium. This method works on the principle that microorganisms produce stearic and react with metal ions, such as lithium, to create lithium stearate.

These are the steps that you will need to take in order to produce your product.

The microorganisms will be inoculated onto the medium which contains precursor substances to fermentation culture.

(2) The filtrate is used to produce a solution of stearic acetic acid.

(3) Add metals ions, such as lithium ions, to the solution that contains stearic acids so that they fully react.

(4) The reaction product is separated and washed, then dried to give lithium stearate.

The benefits of biological fermentation include environmental protection, less waste discharge and a longer production process. However, the conditions for production are also higher.

Prospect Market of Lithium Stearate:

The application of lithium in personal care will continue to play a major role. It plays an important part in soaps as well as shampoos, body wash and cosmetics. As people's standards of living improve and the cosmetics sector continues to expand, lithium stearate demand will gradually rise.

It is also becoming more popular to use lithium stearate for polymer synthesis. It can be used both as a donor and a participant in polymer chain formation. As polymer materials science continues to develop, the demand of lithium stearate increases.

Lithium stearate's application in agricultural, petrochemical, pharmaceutical and other fields is expanding. In the pharmaceutical sector, lithium stearate may be used as a carrier, excipient or drug stabilizer. In agriculture, the lithium stearate is used to protect plants and as a carrier for fertilizer. In the field of petrochemicals, lithium isostearate may be used as an lubricant or release agent. In these areas, the demand for lithium will increase as technology advances.

But the outlook for the lithium stearate market is not without its own challenges. In order to produce lithium stearate, it is necessary to use lithium metal. This increases the production costs. Aside from that, the applications of lithium is limited, with a concentration in agriculture, pharmaceuticals and petrochemicals industries. To expand the scope of application and market demand for lithium stearate, it is important to continually develop new applications and markets.

Lithium stearate powder price :

Many factors influence the price, such as the economic activity, the sentiment of the market and the unexpected event.

You can contact us for a quotation if you're looking for the most recent lithium stearate price.

Lithium stearate powder Supplier :

Technology Co. Ltd. has been a leading global supplier of chemical materials for over 12 years.

The chemical and nanomaterials include silicon powders, graphite particles, zinc sulfide grains, boron grains, zinc oxide, etc.

Contact us today to receive a quote for our high-quality Lithium Stearate Powder.

More than a hundred schools in the UK have been closed due to the risk of collapse

More than a hundred schools in the UK have been closed due to the risk of collapse

A large number of school buildings in the UK use autoclaved aerated concrete (RAAC) , which is a lighter concrete material.

Back in 2018, the roof of a primary school in southeast England collapsed, and later found that RAAC was used in its roof and buildings, raising concerns about the safety risks of the material.

According to the BBC, RAAC material was widely used in places such as roof panels from the 1950s to the mid-1990s, with a service life of about 30 years.

According to reports, this building safety risk exists not only in school buildings but also in courts, hospitals, police stations, and other public buildings. RAAC materials have been found to have been used.

The Royal Dengate Theatre in Northampton has been temporarily closed due to the discovery of RAAC material.

According to the NHS, RAAC materials have been identified in 27 hospital buildings.

The head of the NHS has been asked to develop measures to deal with the potential risk of collapse.

The British government has been aware of the presence of RAAC materials in public sector buildings, including schools, since 1994 and has advised schools to be "fully prepared" since 2018, the BBC reported.

The Independent reported that Jonathan Slater, a former senior official at the Department of Education, said Prime Minister Sunak approved budget cuts to build schools when he was chancellor of the exchequer in 2021.

Nick Gibb, a senior Department of Education official, said the Department of Education had asked for PS200m yearly for school maintenance. Still, the then chancellor of the exchequer, Mr Sunak, provided only PS50 million a year.

It is also reported that although Sunak has promised to renovate 50 schools a year, only four schools have been renovated in the government's main reconstruction plan.

The head of the British National Audit Office also criticized the crisis, saying that the Sunak government has adopted a "plaster method" in building maintenance.

He believes that schools have been forced to close and families are "paying the price" for underinvestment by the government.

Paul Whitman, secretary-general of the National Association of Principals, said parents and the public would see any attempt to shift the blame to individual schools as "a desperate attempt by the government to divert attention from its own major mistakes."

Whitman said that the classroom is now completely unusable, and the responsibility for this situation lies with the British government. "No matter how much you divert and distract, you can't change that."

London Mayor Sadiq Khan called: "the government must be open and transparent, which will reassure staff, parents, children and others."

The BBC reported that schools across the UK are pushing ahead with assessments and inspections, and children who have been suspended due to school building problems will be temporarily housed or taught online.

Advantages and Disadvantages of Preparation Methods of Manganese Diboride

Study on properties of manganese diboride:

Crystal structure and chemical bonding

Manganese diboride belongs to the hexagonal crystal system with the space group P63/mmc. In the crystal structure, manganese atoms occupy hexagonal close-packed positions in the lattice, and boron atoms occupy interstitial positions. The chemical bonds of manganese diboride mainly include the Mn-B bond and the B-B bond. The B-B bond is weak and susceptible to changes caused by external factors.

Physical properties

Conductivity: The conductivity of manganese diboride increases with the increase in temperature, showing metal conductivity. At low temperatures, the conductivity of manganese diboride is low, showing semiconductor properties.

Thermal conductivity: manganese diboride has a low thermal conductivity, showing poor thermal conductivity properties. This is related to the crystal structure and phonon scattering mechanism.

Chemical properties

Stability: Manganese diboride is stable at room temperature and pressure and does not react with water and air. At high temperatures and in the presence of catalysts, manganese diboride can react with hydrogen to produce borane and manganese.

Corrosion resistance: Manganese diboride has good corrosion resistance and can resist the erosion of most acid, alkali, and salt solutions.

Optical properties

Absorption spectrum: The absorption spectrum of manganese diboride is mainly related to electronic transition, showing the characteristics of metal. In the visible range, the absorption of manganese diboride is weak, and the transmittance is high.

Fluorescence spectrum: Although manganese diboride itself does not have fluorescence properties, it can obtain fluorescence properties by doping other elements or forming a composite material. For example, doping rare earth elements can make them fluoresce in different colors.

Magnetic properties

Magnetic susceptibility: Manganese diboride is a ferromagnetic material with a high magnetic susceptibility. Its magnetic susceptibility decreases with increasing temperature, showing typical ferromagnetic characteristics.

Magnetic domain structure: The complex domain structure of manganese diboride was observed by high-resolution microscopy and magnetic force microscopy. Under the action of the magnetic field, the magnetic domain will reverse, resulting in a change in the orientation of the magnetic moment. The variation of the domain structure has an essential effect on the magnetic properties and domain dynamics of manganese diboride.

Results and discussion

By studying the crystal structure, chemical bond, physical properties, chemical properties, optical properties, and magnetic properties of manganese diboride, we draw the following conclusions:

Manganese diboride has a stable crystal structure and chemical bond, which provides a reasonable basis for its practical application.

Manganese diboride exhibits metallic properties in terms of electrical conductivity and magnetic properties, as well as high electrical conductivity and magnetic susceptibility, which makes it have specific application potential in the field of electronics and magnetism.

The optical properties of manganese diboride can be regulated by doping or composite materials, thus playing an important role in optical devices.

Manganese diboride is chemically stable, has a certain corrosion resistance, and can be used in specific environments.

The magnetic properties of manganese diboride still need to be studied deeply in order to understand its magnetic properties further and expand its application in the field of magnetism.

Magnesium Diboride

Preparation method of manganese diboride:

Physical method

The physical method is a standard method for preparing manganese diboride. The technique usually adopts the material means of high temperature and high pressure to synthesize manganese diboride by the reaction of raw boron and manganese under certain conditions. The specific process is as follows:

Boron and manganese were mixed evenly according to stoichiometric ratio to obtain a good reaction effect.

The uniformly mixed raw materials are put into the reactor of high temperature and high pressure, and the reaction is carried out under specific temperature and pressure conditions.

After the reaction, the product is cooled, crushed, and screened to obtain the required size and purity of manganese diboride.

The advantage of the physical method is that manganese diboride with high purity can be directly obtained, and the process is relatively simple. However, the disadvantages of the biological method are the need for high-temperature and high-pressure equipment, the cost of raw materials, and the low production efficiency.

Chemical law

The chemical method is another method to prepare manganese diboride, which uses a chemical reaction of raw material boric acid and manganese chloride to synthesize manganese diboride under certain conditions. The specific process is as follows:

At a specific temperature and pH value, the uniformly mixed raw materials are put into the reactor for hydrothermal reaction or solvothermal reaction.

After the reaction, the product was separated, washed, and dried to obtain the manganese diboride with the required size and purity.

The advantage of the chemical method is that it can control the structure and performance of the product by adjusting the reaction conditions, the raw material cost is low, and the production efficiency is high. However, the disadvantages of the chemical method are the need to use toxic and harmful organic solvents and the need to purify further and adjust the purity and particle size of the product.

The advantages and disadvantages of comparison and selection

To sum up, both the physical method and the chemical method have their advantages and disadvantages. In the actual preparation process, it is necessary to choose the appropriate preparation method according to the specific situation. Specific selection criteria are as follows:

Purity requirements: If you need high-purity manganese diboride, you can choose the physical process. If the purity requirement is not high, you can select a chemical process.

Production efficiency: If large-scale production of manganese diboride is required, the chemical method can be selected; 

Equipment input: If you have the conditions of high temperature and high-pressure equipment, you can choose the physical method; If you need to purchase additional equipment or reagents, you can choose chemical methods.

Environmental protection requirements: If you need to consider environmental protection factors, you can choose the chemical method. If the environmental protection requirements are not high, you can select the physical process.

Supplier of manganese diboride:

Synthetic Chemical Nano Technology Co. Ltd., is a trusted supplier and manufacturer of high-quality chemical materials. They have over 12-years experience providing nanomaterials such as graphite powders, boride powders, sulfide powders, and 3D printing powders.

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High Purity 3D Printing Nickel Alloy IN718 Powder

In718 Powder is widely used for industrial and aviation turbo-propellers, petrochemical, nuclear reactors, and laser cladding.Particle Size: 15-45mm; 15-53mm; 53-120mm and 53-150mm

3D Printing Nickel Alloy Inconel 718 Properties:
Nickel Alloy IN718 powder is resistant to heat and corrosion.
This kind of precipitation-hardening nickel-chromium alloy is characterized by having good tensile, fatigue, creep and rupture strength at temperatures up to 700 degC (1290 degF).

Inconel 718 material properties:
Nickel Alloy INCONEL 718, a high-strength nickel-chromium metal that resists corrosion and is suitable for temperatures ranging from -423degF to 1300degF. It is easy to fabricate complex parts from this age-hardenable material. Its welding properties are excellent, particularly its resistance against post-welding cracking. The density of Inconel 718 is 8.71g/cm3 when the temperature is 300K. The melting temperature of In718 is 1430degC.

The Inconel 718 alloy has a nickel base and is ideal for applications which require high strength over a wide temperature range, from cold temperatures to 1400degF. The In718 alloy has excellent impact and tensile strengths. Inconel 718 exhibits good corrosion and oxidation resistance in atmospheres within the useful range of strength for the alloy.

The alloy Inconel 718 is a precipitation-hardening nickel, chromium and iron alloy containing molybdenum. It exhibits high strength and good corrosion resistance at low and high temperatures below 650degC. It can be in a solid solution state or a precipitation hardening condition.

Inconel 718, mechanical properties
The Inconel718 alloy is easy to work with and has excellent properties. Its high tensile and fatigue strengths, creep strength, breaking strength and creep resistance are all at 700.

is a trusted supplier. If you're interested in purchasing 3D Printing Nickel Alloy in718 powder in bulk, please send us an email to receive the most recent inconel price. We also provide inconel-718 plate inconel-718 bar and other shapes.


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Alloy grades & Characteristics

Alloy number

IN718 Nickel Alloy Powder

Particle size

15-45mm, 15-53mm, 53-120mm, 53-150mm


Spherical or near spherical




Aluminum bag, Vacuum packing


3D Printing Nickel Alloy powder

Other applications

powder metallurgy(PM), injection molding(MIM), spray painting(SP) etc.

How are 3D-printed Nickel alloy IN718 powder manufactured?
In the mechanical processing field, Inconel718 is a material that can be difficult to work with. It has to be processed in a number of ways.
It is important to clean the workpiece before and during the healing procedure in order to maintain a clean surface. Inconel718 becomes brittle when heated in an environment containing sulfur, phosphorus lead or low melting point metals. Impurities are caused by fuel, lubricating, marking, and chalk paints. Fuels should not have sulfur levels above. For example, impurity levels in liquefied natural gas and liquefied gas should not exceed 0.1 percent, while the sulfur level of city gas must be below 0.25 grams per cubic meter. Petroleum gas sulfur content should also be lower than 0.5%.
The heated electric stove should have an improved temperature control. Its gas should be neutral, or at least weakly alkaline.
Thermal processing
Water quenching, or any other rapid cooling method is suitable for Inconel718. It is important to anneal the material in time after hotworking, for best results. During hot working, the material must be heated above the maximum processing temperature. To ensure plasticity, the temperature at which the material reaches 20% deformation should not fall below 960degC.
Cold Work
After the solution treatment, coldworking should be performed. Because the work-hardening rate of Inconel718 (which is higher than austenitic stainless) requires a different processing method, it's important to adjust the equipment and perform an intermediate annealing during the coldworking process.
Heat treatment
Material properties can be affected by different aging and solution treatments. Long-term aging can improve the mechanical properties of Inconel718 due to its low diffusion rate.
The oxide that forms near the weld on the Inconel718 is more difficult than the stainless steel. It must be polished with fine sanding cloth. It is necessary to remove the oxide with sandpaper, or use a salt solution before pickingling in a mix of hydrofluoric/nitric acid.
Inconel718 must be machined only after a solution treatment. Work hardening should also be taken into consideration. Inconel718 has a lower surface cutting speed than austenitic stainless.
The precipitation-hardening type Inconel718 alloy is very suitable for welding and has no tendency to crack after welding. The main advantages of this material are its weldability, easy processing and high strength.
Inconel718 has been designed for use in arc and plasma welding. Before welding the material, it should be free of any oil, powder or other contaminants.

Applications for 3D Printing Nickel Alloy Powder IN718
Our original nickel alloy for 3D-printing and additive manufacturing, Inconel In718.

In718 has excellent tensile, fatigue and fracture resistance. It can resist creeping at high temperatures of up to 700degC. It is easy-to-weld and has an excellent corrosion resistance. Inconel In718 may also be heat-treated.

Inconel can be used to make a variety applications due to its extensive properties. These include liquid fuel rockets, rings, casings and other formed sheet metal components for aircraft, land-based gas engines, cryogenic tanks, fasteners and instrument parts.

In718 is a high-temperature alloy that has a good heat resistance. This makes it ideally suited for gas turbines, aerospace, and other applications. Other applications include measuring probes and pumps in energy and processing technology.

Storage Conditions of IN718 powder:
IN718's performance and effects of use will be affected if the powder is exposed to dampness. The IN718 must be kept in a dry and cool room and sealed in vacuum packaging. IN718 should also not be exposed to stress.

Shipping & Packing of IN718 powder:
The quantity of powder IN718 will determine the type of packing.
IN718 Powder Packing: Vacuum packaging, 100g/bag, 500g/bag, 1kg/bag and 25kg/barrel.
IN718 Powder Shipping: Can be shipped by air, sea or express as quickly as possible after payment receipt.

Technology Co. Ltd., () is an established global chemical supplier and manufacturer, with over 12 years' experience in supplying super-high-quality chemicals, Nanomaterials including Boride Powder, Nitride Powder, Graphite Powder, Sulfide Pulp, 3D Printing Powder, etc.
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Nickel Alloy Powder Properties

Alternative Names Inconel-718 powder (IN718)
CAS Number N/A
Compound Formula Ni/Fe/Cr
Molecular Mass N/A
Appearance Gray-black powder
Melting Point 1370-1430 degC
Solubility N/A
Density 8.192 g/cm3
Purity N/A
Particle Size 15-45mm, 15-53mm, 53-120mm, 53-150mm
Bold point N/A
Specific Heating N/A
Thermal Conduction 6.5 W/m*K
Thermal Expander N/A
Young's Module N/A
Exact Count N/A
Monoisotopic Mash N/A

Nickel Alloy Powder IN718 Health & Safety Information

Safety Advisory Danger
Hazard Statements H317-H351-H372
Flashing point N/A
Hazard Codes Xn
Risk Codes N/A
Safety Declarations N/A
RTECS Number N/A
Transport Information NONH for All Transport Modes
WGK Germany N/A

High Purity Germanium Sulfide GeS2 Powder CAS 12025-34-2, 99.99%

Germanium Sulfide (GeS2) is a semiconductor compound with the chemical Formula GeS2. It is easily soluble when heated alkali is used, but not in water.Particle size: 100mesh
Purity: 99.99%

About Germanium Sulfide (GeS2) Powder:
Germanium Sulfide also known as Germanium Sulphide and Germanium Disulfide. GeS2 is the formula of germanium disulfide. It is unstable, easy to sublimate and oxidize, and dissociates in humid air, or an inert atmosphere. Inorganic acids (including strong acid) and water are insoluble.
Germanium disulfide is 2.19g / cm3. Germanium Sulfide is small, white powder that consists mainly of Germanium disulfide(GeS2) particle. Germanium disulfide, like many other metal sulfides that are closely related, is the subject of many researches who are researching its potential for energy storage applications such as solid state batteries.
The germanium diulfide crystal has an orthogonal structure. Each cell contains 24 molecules with the following dimensions: A = 11.66a; B = 22.34A; C = 6.86A. Accuracy 1/2%. The space group (C2V19) is FDD. The double-axis is occupied by eight germanium nuclei; the rest of the atoms are in a general area. These 12 parameters were determined. Each germanium is connected with four sulfur atomic trihedrons at an atomic separation of 2.19A. The angle of the two sulfur atoms is 103 degrees.

If you're interested in purchasing Germanium Sulfide (GeS2) Powder , please send us an inquiry.

High Purity Germanium Sulfide Granule Powder:

White powder. Crystal structure is orthogonal. Density is 2.19 grams per cm3. Melting point 800 . Sublimation or oxidation of high temperature, unstable, occurs in humid air. The molten state has a fresh, brown, transparent body with a 3.01g/cm3 density. It is not soluble in water or inorganic acids, including strong acid, but it is soluble in a hot alkali. By the sulfur vapor and germanium powder from the system. For intermediate germanium products.

germanium sulfide CAS number 12025-34-2
germanium Sulfide Molecular Formula GeS2
germanium sulfide Molar mass 136.77g mol-1
germanium sulfide Appearance White crystals with a translucent appearance
germanium sulfide Density 2.94 g cm-3
germanium sulfide Melting point 840 degC (1,540 degF; 1,110 K)
germanium Sulfide Boiling Point 1,530 degC (2,790 degF; 1,800 K)
Germanium sulfide is soluble in water 0.45 g/100mL
germanium sulfide Solubility soluble in liquid ammonia

What is Germanium Sulfide GeS2 Powder produced?
Germanium disulfide may be produced by converting hydrogen sulfide into tetrachloride using a hydrochloric solution.
Germanium disulfide can be prepared by combining germanium with sulfide or hydrogen-sulfide vapour, and a gas mixture of sulfur.

Applications Germanium Sulfide GeS2 Powder:
Solid-State Batteries: Germanium disulfide, like many compounds closely related, is of particular interest to researchers and manufacturers.
This material can be used to produce cathodes in certain types batteries.
The vulcanized microparticles have great potential to be used as high-performance batteries containing lithium-sulfur.
Electrology: For researchers working on energy storage technology Germanium disulfide is a material that has similar characteristics. It can be used to produce other components and materials in electronic technology.
Catalysts: Germanium disulfide, like many sulfides has the unique ability to produce more complex chemicals for high-tech devices and other chemical reactions.
As with many materials related to nano-level sulfide, it has many unique optical properties. However, these properties are still not well understood.
This makes the research interest in this material involve a wide range of industries and fields, from electron-to-photovoltaic to imaging techniques.

Germanium Sulfide (GeS2) Powder Storage Conditions
Germanium Sulfide GeS2 is affected by damp reunion, which will have an adverse effect on the powder's dispersion and use. Therefore, it should be packed in vacuum and kept in a dry and cool room. GeS2 powder must also not be exposed to stress.

Packing & Shipping Germanium sulfide powder GeS2
The amount of Germanium Sulfide powder GeS2 will determine the type of packaging.
Germanium Sulfide powder packaging: Vacuum packed, 100g to 500g per bag, 1kg to 1kg per barrel, or your choice.
Germanium Sulfide Powder Shipping: Can be shipped via air, sea, or express, as quickly as possible after payment receipt.

Technology Co. Ltd., () is an established global chemical material manufacturer and supplier with more than 12-years of experience. They provide high-quality nanomaterials such as boride powders, graphite or sulfide particles, and other chemicals.
Looking for high quality Germanium disulfide powder Send us a message or feel free contact us. ( )

Germanium Sulfide Properties

Alternative Names germanium(IV) sulfide, germanium disulfide,
germanium disulphide, GeS2 powder
CAS Number 12025-34-2
Compound Formula GeS2
Molecular Mass 136.77
Appearance White Powder
Melting Point 800
Boiling Point 1530
Density 2.94 g/cm3
Solubility In H2O 0.45 g/100mL
Exact Mass 137.86532

Germanium Sulfide Health & Safety Information

Sign Word N/A
Hazard Statements N/A
Hazard Codes N/A
Risk Codes N/A
Safety Declarations N/A
Transport Information N/A

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate

Tungsten alloy heavy plate has low thermal expansion. It is also known for its high density, high radiation absorption, and high electrical and thermal conductivity. It is used widely in the aerospace and medical industries.

About Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate:
Powder metallurgy produces compact ingots from high purity tungsten. After powder metallurgy, a series further deformations are made and heat treatments are applied until the final products have been produced.

High thermal conductivity and thermal conductivity, low thermal expansion. Perfect performance in environments with high radiation exposure.

Often used to produce machining tools such as lathes and dices in the aerospace, medical, and military industries.

We have a wide range of tungsten-alloy plates in different grades and sizes. Contact us for any of your needs.

Payment & Transport:

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate Properties

Alternative Names Tungsten Alloy Plate
CAS Number N/A
Compound Formula N/A
Molecular Mass N/A
Appearance N/A
Melting Point N/A
Solubility N/A
Density 18.5g/cm3
Purity 99.95%
Bold point N/A
Specific Heating N/A
Thermal Conduction N/A
Thermal Expander N/A
Young’s Module N/A
Exact Count N/A
Monoisotopic Mash N/A

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate Health & Safety Information

Safety Advisory N/A
Hazard Statements N/A
Flashing point N/A
Hazard Codes N/A
Risk Codes N/A
Safety Declarations N/A
RTECS Number N/A
Transport Information N/A
WGK Germany N/A

Advantages and Disadvantages of Preparation Methods of Manganese Diboride

High Purity 3D Printing Nickel Alloy IN718 Powder

High Purity Germanium Sulfide GeS2 Powder CAS 12025-34-2, 99.99%

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate

Metal Alloy 8.92g/Cm3 High Purity Polished Copper Plate

High Purity Nano Hafnium Hf powder CAS 7440-58-6, 99%

Metal Alloy 18g/cm3 High Density Tungsten Alloy Ball

High Purity Molybdenum Boride MoB2 Powder CAS 12006-99-4, 99%

High Purity Antimony Sulfide Sb2S3 Powder CAS 1314-87-0, 99.99%

Metal Alloy High Density Tungsten Alloy Rod Grind Surface Tungsten Alloy Bar

High Purity Calcium Nitride Ca3N2 Powder CAS 12013-82-0, 99.5%

High Purity Chromium Diboride CrB2 Powder CAS 12007-16-8, 99%

High Purity Titanium Sulfide TiS2 Powder CAS 2039-13-3, 99.99%

High Purity Nano Ag Silver powder cas 7440-22-4, 99%

High Purity Tungsten Silicide WSi2 Powder CAS 12039-88-2, 99%

High Purity 3D Printing Powder 15-5 Stainless Steel Powder

Supply Magnesium Granules Mg Granules 99.95%

High Purity Silicon Sulfide SiS2 Powder CAS 13759-10-9, 99.99%

High Purity 3D Printing 304 Stainless Steel Powder

High Purity Zirconium Nitride ZrN Powder CAS 25658-42-8, 99.5% is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high quality chemicals and Nano materials such as graphite powder, boron powder , zinc sulfide , nitride powder, Calcium nitride, Ca3N2, 3D printing powder, and so on.

And our innovative, high-performance materials are widely used in all aspects of daily life, including but not limited to the automotive, electrical, electronics, information technology, petrochemical, oil, ceramics, paint, metallurgy, solar energy, and catalysis. Our main product list as following:

Metal and alloy powder: boron, nickel, silicon, copper, iron, aluminum. chrome, silver

Boride powder: magnesium boride, aluminum boride, boron nitride, boron carbide, hafnium boride;

Sulfide powder: Molybdenum sulfide, zinc sulfide, bismuth sulfide;

Oxide powder: ITO, ATO, iron oxide, titanium oxide, manganese oxide, copper oxide;about.jpg

Carbide powder: titanium carbide, manganese carbide, titanium carbonitride, hafnium carbide;

Nitride powder: Aluminum nitride, hafnium nitride, magnesium nitride, vanadium nitride;

Silicide powder: hafnium silicide, molybdenum silicide, tantalum silicide;

Hydride powder: Hafnium hydride, vanadium hydride, titanium hydride, zirconium hydride.etc.

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